here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 217868 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 233047 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 333245 | null     | null      | null    | unlabelled |         | 0     |
 | 333246 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 333247 | v1:6     | ethernet1 | 1234::2 | 621956     |         | 0     |
 | 333248 | v1:6     | ethernet1 | 1234::2 | 621957     |         | 0     |
 | 333249 | v1:6     | ethernet1 | 1234::2 | 621958     |         | 0     |
 | 333250 | null     | null      | null    | unlabelled |         | 0     |
 | 333251 | null     | null      | null    | unlabelled |         | 0     |
 | 333252 | null     | null      | null    | unlabelled |         | 0     |
 | 333253 | null     | null      | null    | unlabelled |         | 0     |
 | 333254 | null     | null      | null    | unlabelled |         | 0     |
 | 355231 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 417681 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 535339 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 538868 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 731686 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 847009 | null     | null      | null    | unlabelled |         | 0     |
 | 847010 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 847011 | v1:4     | ethernet1 | 1.1.1.2 | 876076     |         | 0     |
 | 847012 | v1:4     | ethernet1 | 1.1.1.2 | 876077     |         | 0     |
 | 847013 | v1:4     | ethernet1 | 1.1.1.2 | 876078     |         | 0     |
 | 847014 | null     | null      | null    | unlabelled |         | 0     |
 | 847015 | null     | null      | null    | unlabelled |         | 0     |
 | 847016 | null     | null      | null    | unlabelled |         | 0     |
 | 847017 | null     | null      | null    | unlabelled |         | 0     |
 | 847018 | null     | null      | null    | unlabelled |         | 0     |
 | 865743 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 913144 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 954453 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10290  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 42695  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 138930 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 262263 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 427096 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 552687 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 556944 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 621954 | null     | null      | null    | unlabelled |         | 0     |
 | 621955 | v1:6     | ethernet1 | 1234::1 | 333246     |         | 1280  |
 | 621956 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 621957 | v1:6     | ethernet2 | 1235::3 | 787606     |         | 640   |
 | 621958 | v1:6     | ethernet2 | 1235::3 | 787607     |         | 640   |
 | 621959 | null     | null      | null    | unlabelled |         | 0     |
 | 621960 | null     | null      | null    | unlabelled |         | 0     |
 | 621961 | null     | null      | null    | unlabelled |         | 0     |
 | 621962 | null     | null      | null    | unlabelled |         | 0     |
 | 621963 | null     | null      | null    | unlabelled |         | 0     |
 | 646162 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 719141 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 742003 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 842423 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 876074 | null     | null      | null    | unlabelled |         | 0     |
 | 876075 | v1:4     | ethernet1 | 1.1.1.1 | 847010     |         | 1280  |
 | 876076 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 876077 | v1:4     | ethernet2 | 1.1.2.3 | 203136     |         | 640   |
 | 876078 | v1:4     | ethernet2 | 1.1.2.3 | 203137     |         | 640   |
 | 876079 | null     | null      | null    | unlabelled |         | 0     |
 | 876080 | null     | null      | null    | unlabelled |         | 0     |
 | 876081 | null     | null      | null    | unlabelled |         | 0     |
 | 876082 | null     | null      | null    | unlabelled |         | 0     |
 | 876083 | null     | null      | null    | unlabelled |         | 0     |
 | 902332 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1347   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 203133 | null     | null      | null    | unlabelled |         | 0     |
 | 203134 | v1:4     | ethernet1 | 1.1.2.2 | 876075     |         | 640   |
 | 203135 | v1:4     | ethernet1 | 1.1.2.2 | 876076     |         | 640   |
 | 203136 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 203137 | v1:4     | ethernet2 | 1.1.3.4 | 773624     |         | 1280  |
 | 203138 | null     | null      | null    | unlabelled |         | 0     |
 | 203139 | null     | null      | null    | unlabelled |         | 0     |
 | 203140 | null     | null      | null    | unlabelled |         | 0     |
 | 203141 | null     | null      | null    | unlabelled |         | 0     |
 | 203142 | null     | null      | null    | unlabelled |         | 0     |
 | 384563 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 471507 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 566545 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 585047 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 708510 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 781654 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 787603 | null     | null      | null    | unlabelled |         | 0     |
 | 787604 | v1:6     | ethernet1 | 1235::2 | 621955     |         | 640   |
 | 787605 | v1:6     | ethernet1 | 1235::2 | 621956     |         | 640   |
 | 787606 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 787607 | v1:6     | ethernet2 | 1236::4 | 100043     |         | 1280  |
 | 787608 | null     | null      | null    | unlabelled |         | 0     |
 | 787609 | null     | null      | null    | unlabelled |         | 0     |
 | 787610 | null     | null      | null    | unlabelled |         | 0     |
 | 787611 | null     | null      | null    | unlabelled |         | 0     |
 | 787612 | null     | null      | null    | unlabelled |         | 0     |
 | 842211 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 846678 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 848074 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 870845 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 904754 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52208  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 71921  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 100039 | null     | null      | null    | unlabelled |         | 0     |
 | 100040 | v1:6     | ethernet1 | 1236::3 | 787604     |         | 0     |
 | 100041 | v1:6     | ethernet1 | 1236::3 | 787605     |         | 0     |
 | 100042 | v1:6     | ethernet1 | 1236::3 | 787606     |         | 0     |
 | 100043 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 100044 | null     | null      | null    | unlabelled |         | 0     |
 | 100045 | null     | null      | null    | unlabelled |         | 0     |
 | 100046 | null     | null      | null    | unlabelled |         | 0     |
 | 100047 | null     | null      | null    | unlabelled |         | 0     |
 | 100048 | null     | null      | null    | unlabelled |         | 0     |
 | 147190 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 187671 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 264092 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 748727 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 762034 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 763998 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 773350 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 773620 | null     | null      | null    | unlabelled |         | 0     |
 | 773621 | v1:4     | ethernet1 | 1.1.3.3 | 203134     |         | 0     |
 | 773622 | v1:4     | ethernet1 | 1.1.3.3 | 203135     |         | 0     |
 | 773623 | v1:4     | ethernet1 | 1.1.3.3 | 203136     |         | 0     |
 | 773624 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 773625 | null     | null      | null    | unlabelled |         | 0     |
 | 773626 | null     | null      | null    | unlabelled |         | 0     |
 | 773627 | null     | null      | null    | unlabelled |         | 0     |
 | 773628 | null     | null      | null    | unlabelled |         | 0     |
 | 773629 | null     | null      | null    | unlabelled |         | 0     |
 | 962511 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#